Home / 105,322.25-145,345.68-59,999.57

Finding the Fourth Proportional to 105,322.25, 145,345.68 and 59,999.57

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Solution

The fourth proportional to 105,322.25, 145,345.68 and 59,999.57 is: 82,799.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,322.25 : 145,345.68 = 59,999.57 : x
  2. Step 2: Convert to fraction form
    105,322.25/145,345.68 = 59,999.57/x
  3. Step 3: Cross multiply
    105,322.25x = 145,345.68 × 59,999.57
  4. Step 4: Simplify right side
    105,322.25x = 8,720,677,574.63
  5. Step 5: Solve for x
    x = 8,720,677,574.63/105,322.25
  6. Step 6: Final answer
    x = 82,799.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.